问远程桌面最小化时调用GetDeviceCaps失败

EN

#include <Windows.h>
#include <d3d9.h>
#include <stdio.h>

int main() {
    // sleep 5 seconds and manually minimize the remote desktop window immediately after the sleep operation
    Sleep(5000);

    IDirect3D9* pD3d9 = nullptr;
    
    pD3d9 = Direct3DCreate9(D3D9b_SDK_VERSION);
    
    UINT adapters = pD3d9->GetAdapterCount();

    for (UINT i = 0; i < adapters; i++) {
        D3DCAPS9 caps = {};
        HRESULT res = pD3d9->GetDeviceCaps(i, D3DDEVTYPE_HAL, &caps);
        if (FAILED(res)) {
            printf("Call GetDeviceCaps Failed:%x\n", res);
            break;
        }
    }

    pD3d9->Release();
    return 0;
}