DelphiVCL.SpinEdit or TSpinEdit combines a TEdit box with a TSpinButton.
DelphiVCL.SpinEdit component is a TEdit with a TSpinButton attached. The Value of the edit box is numerical. By pressing the up and down buttons of TSpinButton, the Value is increased or decreased.
Let’s browse all the properties, methods, and built-in properties of the DelphiVCL.SpinEdit using dir()…
DelphiVCL.SpinButton or TSpinButton allows the user to navigate through a range of values using the arrow buttons.
DelphiVCL.SpinButton is a control with two TTimerSpeedButtons, each button displaying an arrow. TSpinButton allows the navigation through a range of…
TGridDrawState represents information useful when rendering the cell of a grid.
TGridDrawState represents state information about the cell of a grid that is being rendered. It is a set that includes one or more of the states listed in the following…
DelphiVCL.Button is a push-button control.
Use Button to put a standard push button on a form. Button introduces several properties to control its behavior in a dialog-box setting. To initiate actions, users choose button controls
To use a button that displays a bitmap instead of a label, use BitBtn. To use a button that can remain in a pressed position, use SpeedButton.
The Caption…
DelphiVCL.SpeedButton or TSpeedButton is a button that is used to execute commands or set modes.
Use DelphiVCL.SpeedButton to add a button to a group of buttons in a form. TSpeedButton introduces properties that can be used to set graphical images that represent the…
DelphiVCL.Rect or TRect defines a rectangle.
TRect represents the dimensions of a rectangle. The coordinates are specified as either four separate integers representing the left, top, right, and bottom sides, or as two points representing the locations of the…
DelphiVCL.Size or TSize is used to specify the width and height of an object.
We use TSize to specify the size of an object. The object can be a rectangle, a form, a button, and so on. Typically, the implied units of measurement are pixels.
cx is the width, and cy is the height.
Let’s browse all the properties, methods, and built-in properties of the DelphiVCL.Size using…
When running dir() to DelphiVCL library or any DelphiVCL methods and properties in all previous sections, you might find many of Python’s built-in objects and properties. Previously, we already discussed about __doc__, __file__, __loader__, __name…
DelphiVCL.RadioGroup represents a group of radio buttons that function together.
A RadioGroup object is a special group box that contains only radio buttons. Radio buttons that are placed directly in the same control component are said to be “grouped.” When…
DelphiVCL.ComboBox combines an edit box with a scrollable list. A ComboBox component is an edit box with a scrollable drop-down list attached to it. Users can select an item from the list or type directly into the edit box.
Note: The width of the button in a TComboBox is equal to the width that Windows uses for scrollbars. This width depends on the color scheme that the user has chosen (by…
