如何在运行时设置(Win32 API)优化校准的图像?

时间:2015-08-09 06:21:10

标签: c++ winapi visual-studio-2013

测试用例非常简单。我想在按下按钮(IDC_BUTTON2)到位图资源(IDB_BITMAP1)时设置优化校准(IDC_STATIC1)的内容。我遇到的问题是,当我按下按钮时,优化校准不会加载图像。我已经验证按钮正在正确注册,并且LoadImage的返回值不为空。

以下代码是对话框的消息处理程序:

BOOL WINAPI DialogProc2(HWND hWindow, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch (uMsg)
    {
        case WM_CLOSE:
            EndDialog(hWindow, 0);
            DestroyWindow(hWindow);
            return TRUE;

        case WM_INITDIALOG:
            return TRUE;

        case WM_COMMAND:
            if (LOWORD(wParam) == IDC_BUTTON2)
            {
                HBITMAP bmp;
                bmp = (HBITMAP)LoadImage(GetModuleHandle(NULL), MAKEINTRESOURCE(IDB_BITMAP1), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
                if (bmp == NULL)
                {
                    MessageBox(NULL, "Error", "ERROR", MB_OK);
                    return TRUE;
                }
                SendDlgItemMessage(hWindow, IDC_STATIC1, STM_SETIMAGE, IMAGE_BITMAP, (LPARAM)bmp);
                //placing a MessageBox here proves that the button press is being registered properly and that the message is being sent, but nothing is happening...
            }
            return TRUE;
    }

    return FALSE;
}

1 个答案:

答案 0 :(得分:1)

这似乎是"姓名"优化校准的属性设置为" IDC_STATIC1"但是" ID"属性设置为" IDC_STATIC"。将其更改为" IDC_STATIC1"解决了这个问题。