.Net Framework > v2.0.50727 > System > Windows > Forms > Control > Invalidate Invalidate()
Invalidate(Boolean)
Invalidate(Rectangle)
Invalidate(Rectangle,Boolean)
Invalidate(Region)
Invalidate(Region,Boolean)


Invalidate()

Category
Method
Description
Invalidates the entire surface of the control and causes the control to be redrawn.
Type
void
Character
public
Tags
01892ABD01, 02E3ABA98D, 0376596F91

Invalidate(Boolean)

Category
Method
Description
Invalidates a specific region of the control and causes a paint message to be sent to the control. Optionally, invalidates the child controls assigned to the control.
Type
void
Character
public
Parameters
NameTypeDescription
invalidateChildrenBoolean
Tags
01892ABD01, 02E3ABA98D, 0376596F91

Invalidate(Rectangle)

Category
Method
Description
Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control.
Type
void
Character
public
Parameters
NameTypeDescription
rcRectangle
Tags
01892ABD01, 02E3ABA98D, 0376596F91

Invalidate(Rectangle,Boolean)

Category
Method
Description
Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control. Optionally, invalidates the child controls assigned to the control.
Type
void
Character
public
Parameters
NameTypeDescription
rcRectangle
invalidateChildrenBoolean
Tags
01892ABD01, 02E3ABA98D, 0376596F91

Invalidate(Region)

Category
Method
Description
Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control.
Type
void
Character
public
Parameters
NameTypeDescription
regionRegion
Tags
01892ABD01, 02E3ABA98D, 0376596F91

Invalidate(Region,Boolean)

Category
Method
Description
Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control. Optionally, invalidates the child controls assigned to the control.
Type
void
Character
public
Parameters
NameTypeDescription
regionRegion
invalidateChildrenBoolean
Tags
01892ABD01, 02E3ABA98D, 0376596F91

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