public __gc class Form1 : public System::Windows::Forms::Form
{
static Device *device = NULL;
public:
Form1(void)
{
InitializeComponent();
}
bool InitializeGraphics()
{
try
{
PresentParameters *presentParams = new PresentParameters();
presentParams->Windowed = true;
presentParams->SwapEffect = SwapEffect::Discard;
device = new Device( 0, DeviceType::Hardware, this,
CreateFlags::SoftwareVertexProcessing,
presentParams );
return true;
}
catch ( DirectXException *dex )
{
return false;
}
}
};
Use DirectX with C++.Net
Author
I want to use DirectX with VC++.Net, but I can't put appropriate parameters to Device' constructor. Here is my code:
Please check it for me, thanks [grin], thanks [grin], thanks [grin]
This isn't what you asked, but if you are going to use C++, why not use unmanaged code for the DirectX and managed code for the other stuff? I think you can do that.
This is the same problem that I have when I tried using managed DX with managed C++. I have a thread dedicated to this in the .NET forum on this site. The only thing I can really say is that somehow in C# (where the sdk tutorial code comes from), PresentParameters is automatically made into an array once it is created and so the call to create a new device won't generate a compiler error.
My guess is that maybe managed DX will be compatible with managed C++ once .net version 2 is released. However, that wouldn't really explain why Microsoft would say that managed DX supports / is supported by all managed languages in the sdk documentation if managed C++ is prone to problems. I even tried code to setup managed DirectDraw and I still get some error that managed C++ doesn't appear to be able to solve. For now, the best thing to do is either use VB.NET / C# with managed DX (assembly dlls and .net), or just C++ and unmanaged DX (headers, libs, and Win32).
My guess is that maybe managed DX will be compatible with managed C++ once .net version 2 is released. However, that wouldn't really explain why Microsoft would say that managed DX supports / is supported by all managed languages in the sdk documentation if managed C++ is prone to problems. I even tried code to setup managed DirectDraw and I still get some error that managed C++ doesn't appear to be able to solve. For now, the best thing to do is either use VB.NET / C# with managed DX (assembly dlls and .net), or just C++ and unmanaged DX (headers, libs, and Win32).
Here's some code that I have tested to get Direct3D up and running; it seems that the older syntax of the VS.NET 2003 Toolkit is what was creating the problems with the PresentParameters object. Note that this code was compiled with the VC++ 2005 Express Edition, Beta 2, from the command line like this:
c:\cl /clr mdx9.cpp
Concerning the '^' that appears in the code, this is what the 2005 documentation says:
"The common language runtime maintains a separate heap on which it implements a precise, asynchronous, compacting garbage collection scheme. To work correctly, it must track all storage locations that can point into this heap at runtime. ^ provides a handle through which the garbage collector can track a reference to an object on the managed heap, thereby being able to update it whenever that object is moved.
Because regular C++ pointers (*) and references (&) cannot be tracked precisely, a handle-to object declarator is used.
Member selection through a handle (^) uses the pointer-to-member operator (->)."
c:\cl /clr mdx9.cpp
Concerning the '^' that appears in the code, this is what the 2005 documentation says:
"The common language runtime maintains a separate heap on which it implements a precise, asynchronous, compacting garbage collection scheme. To work correctly, it must track all storage locations that can point into this heap at runtime. ^ provides a handle through which the garbage collector can track a reference to an object on the managed heap, thereby being able to update it whenever that object is moved.
Because regular C++ pointers (*) and references (&) cannot be tracked precisely, a handle-to object declarator is used.
Member selection through a handle (^) uses the pointer-to-member operator (->)."
#using <mscorlib.dll>#using <System.dll>#using <System.Drawing.dll>#using <System.Windows.Forms.dll>#using <c:\managedDX9dll\Microsoft.DirectX.dll>#using <c:\managedDX9dll\Microsoft.DirectX.Direct3D.dll>using namespace System;using namespace System::Drawing;using namespace System::Windows::Forms;using namespace Microsoft::DirectX;using namespace Microsoft::DirectX::Direct3D;ref class MakeDev : public Form { private: Device ^device; public: MakeDev() { this->Width = 800; this->Height = 600; this->Text = "Managed D3D in C++.net"; } void inigfx() { PresentParameters ^pp = gcnew PresentParameters(); pp->Windowed = true; pp->SwapEffect = SwapEffect::Discard; device = gcnew Device(0,DeviceType::Hardware,this, CreateFlags::SoftwareVertexProcessing,pp); } void render() { this->Show(); while(this->Created) { device->Clear(ClearFlags::Target,Color::Blue,1.0f,0); device->BeginScene(); device->EndScene(); device->Present(); Application::DoEvents(); } }};int main() { MakeDev ^md = gcnew MakeDev(); md->inigfx(); md->render(); return 0;}
I don't know much, but what I suggest is -
When you create a new project, there is an option of creating DirectX9.0 project.
It is like a wizard. Just follow the steps in the wizard, and your program will be generated ( this is similar to creating 'hello world' program using VC++ 6.0 )
Once you create this, you can see the code of how the Device is created.
When you create a new project, there is an option of creating DirectX9.0 project.
It is like a wizard. Just follow the steps in the wizard, and your program will be generated ( this is similar to creating 'hello world' program using VC++ 6.0 )
Once you create this, you can see the code of how the Device is created.
I don't know much, but what I suggest is -
When you create a new project, there is an option of creating DirectX9.0 project.
It is like a wizard. Just follow the steps in the wizard, and your program will be generated ( this is similar to creating 'hello world' program using VC++ 6.0 )
Once you create this, you can see the code of how the Device is created.
When you create a new project, there is an option of creating DirectX9.0 project.
It is like a wizard. Just follow the steps in the wizard, and your program will be generated ( this is similar to creating 'hello world' program using VC++ 6.0 )
Once you create this, you can see the code of how the Device is created.
This topic is closed to new replies.
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