在自动复选框绘制新状态之前，将执行BN_CLICKED中耗时的代码 [英] Time-consuming code in BN_CLICKED executes before an automatic check box draws the new state

问题描述

是否存在建议的方法来获取自动绘制其新状态的复选框  之前 a 耗时的操作?

Is there a recommended way to get a automatic check box to draw its new state before a time-consuming operation?

案例BN_CLICKED:

//发送 BM_GETCHECK  此处返回 新状态，但是

            // Sending  BM_GETCHECK here returns the new state, but

//该复选框尚未绘制，所以

takesAfewSeconds();

takesAfewSeconds();  // Makes it look like the click didn’t “take”

break;

//稍后可能在DefDlgProc中绘制复选框? 跨度>

// Check box draws later, maybe in DefDlgProc?

推荐答案

在复选框上调用UpdateWindow可能会对其进行绘制-值得尝试.

Calling UpdateWindow on the check box might paint it - it's worth a try.

推荐的方法是在辅助线程中执行耗时的操作.

The recommended way would be to perform the time-consuming operation in a secondary thread.

 

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