使用C＃WPF传递HWND和HINSTANCE的C ++ / CLI

Question

如何传递C＃WPF表单的HWND和HINSTANCE？

尝试：

C ++ / CLI：

BOOL Initialize(double width, double height, HWND parent, HINSTANCE hiparent)
{

C＃

HwndSource hwnd = (HwndSource)HwndSource.FromVisual(this.renderControl);
IntPtr hinstance = Marshal.GetHINSTANCE(typeof(App).Module);

engine.Initialize(this.Width, this.Height, hwnd, hinstance);

但抛出：

  

参数4：无法从'System.IntPtr'转换为'HINSTANCE __ *'   参数3：无法从'System.Windows.Interop.HwndSource'转换为   'HWND __ *'

那么如何将这些转化为那些？

Answer 1

考虑尝试这个：

engine.Initialize(this.Width, this.Height, hwnd.Handle.ToPointer(), hinstance.ToPointer());

IntPtr.ToPointer()返回void*，该HWND应该可转换为HINSTANCE和{{1}}。

Answer 2

尝试类似：

engine.Initialize(this.Width, this.Height, (HWND)(hwnd.Handle.ToPointer()), (HINSTANCE)hinstance.ToPointer());