C # winform basics 1. Timer does not work 2. Set image transparency,

C # winform basics 1. Timer does not work 2. Set image transparency,

1. Set image transparency

 

This. pibox. BackColor = System. Drawing. Color. Transparent; // set the background to Transparent.
This. pibox. Parent = lab_show; // set the Parent container as the file name of the previous layer.

 

 

 

2. Timer does not work

1. Enable Timer,

And make relevant settings

This. timerpic. Interval = 4000;
This. timerpic. Tick + = new System. EventHandler (this. timerpic_Tick );

2. Place the content to be processed in the this. timerpic_Tick event.

Private void timerpic_Tick (object sender, EventArgs e)
{
Pibox. Hide ();
}

 

3. Enable timerpic

Timerpic. Enabled = true;