Fix C# Tooltip Control Issues

1 year ago
Emily Johnson
1 minute

In C#, if the Tooltip control is not working properly, it may be because the control’s ToolTip property is not set correctly. Here is a solution:

  1. Ensure that the Tooltip control has been instantiated.
ToolTip toolTip1 = new ToolTip();
  1. Set the ToolTip property of the control to the instantiated Tooltip control.
toolTip1.SetToolTip(button1, "这是一个按钮");
  1. Ensure that the component has been added to the form:
this.Controls.Add(button1);

If all the above steps are completed correctly but the Tooltip control is still not working, it might be because the control’s Enabled property is set to false, or the form’s Enabled property is set to false. Please check these properties and set them to true. If the issue persists, you can try recompiling the project or restarting Visual Studio.

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