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This section contains information about the programming elements used with tooltip controls.
| Topic | Contents |
|---|---|
| About Tooltip Controls | Tooltips appear automatically, or pop up, when the user pauses the mouse pointer over a tool or some other UI element. |
| Using Tooltip Controls | This section contains examples that demonstrate how to create different types of tooltips. |
| Topic | Contents |
|---|---|
| TTM_ACTIVATE | Activates or deactivates a tooltip control. |
| TTM_ADDTOOL | Registers a tool with a tooltip control. |
| TTM_ADJUSTRECT | Calculates a tooltip control's text display rectangle from its window rectangle, or the tooltip window rectangle needed to display a specified text display rectangle. |
| TTM_DELTOOL | Removes a tool from a tooltip control. |
| TTM_ENUMTOOLS | Retrieves the information that a tooltip control maintains about the current tool that is, the tool for which the tooltip is currently displaying text. |
| TTM_GETBUBBLESIZE | Returns the width and height of a tooltip control. |
| TTM_GETCURRENTTOOL | Retrieves the information for the current tool in a tooltip control. |
| TTM_GETDELAYTIME | Retrieves the initial, pop-up, and reshow durations currently set for a tooltip control. |
| TTM_GETMARGIN | Retrieves the top, left, bottom, and right margins set for a tooltip window. A margin is the distance, in pixels, between the tooltip window border and the text contained within the tooltip window. |
| TTM_GETMAXTIPWIDTH | Retrieves the maximum width for a tooltip window. |
| TTM_GETTEXT | Retrieves the information a tooltip control maintains about a tool. |
| TTM_GETTIPBKCOLOR | Retrieves the background color in a tooltip window. |
| TTM_GETTIPTEXTCOLOR | Retrieves the text color in a tooltip window. |
| TTM_GETTITLE | Retrieve information concerning the title of a tooltip control. |
| TTM_GETTOOLCOUNT | Retrieves a count of the tools maintained by a tooltip control. |
| TTM_GETTOOLINFO | Retrieves the information that a tooltip control maintains about a tool. |
| TTM_HITTEST | Tests a point to determine whether it is within the bounding rectangle of the specified tool and, if it is, retrieves information about the tool. |
| TTM_NEWTOOLRECT | Sets a new bounding rectangle for a tool. |
| TTM_POP | Removes a displayed tooltip window from view. |
| TTM_POPUP | Causes the tooltip to display at the coordinates of the last mouse message. |
| TTM_RELAYEVENT | Passes a mouse message to a tooltip control for processing. |
| TTM_SETDELAYTIME | Sets the initial, pop-up, and reshow durations for a tooltip control. |
| TTM_SETMARGIN | Sets the top, left, bottom, and right margins for a tooltip window. A margin is the distance, in pixels, between the tooltip window border and the text contained within the tooltip window. |
| TTM_SETMAXTIPWIDTH | Sets the maximum width for a tooltip window. |
| TTM_SETTIPBKCOLOR | Sets the background color in a tooltip window. |
| TTM_SETTIPTEXTCOLOR | Sets the text color in a tooltip window. |
| TTM_SETTITLE | Adds a standard icon and title string to a tooltip. |
| TTM_SETTOOLINFO | Sets the information that a tooltip control maintains for a tool. |
| TTM_SETWINDOWTHEME | Sets the visual style of a tooltip control. |
| TTM_TRACKACTIVATE | Activates or deactivates a tracking tooltip. |
| TTM_TRACKPOSITION | Sets the position of a tracking tooltip. |
| TTM_UPDATE | Forces the current tooltip to be redrawn. |
| TTM_UPDATETIPTEXT | Sets the tooltip text for a tool. |
| TTM_WINDOWFROMPOINT | Allows a subclass procedure to cause a tooltip to display text for a window other than the one beneath the mouse cursor. |
| Topic | Contents |
|---|---|
| NM_CUSTOMDRAW (Tooltip) | Sent by a tooltip control to notify its parent windows about drawing operations. This notification code is sent in the form of a WM_NOTIFY message. |
| TTN_GETDISPINFO | Sent by a tooltip control to retrieve information needed to display a tooltip window. This notification code is sent in the form of a WM_NOTIFY message. |
| TTN_LINKCLICK | Sent when a text link inside a balloon tooltip is clicked. |
| TTN_NEEDTEXT | Sent by a tooltip control to retrieve information needed to display a tooltip window. This notification is identical to TTN_GETDISPINFO. This notification code is sent in the form of a WM_NOTIFY message. |
| TTN_POP | Notifies the owner window that a tooltip is about to be hidden. This notification code is sent in the form of a WM_NOTIFY message. |
| TTN_SHOW | Notifies the owner window that a tooltip control is about to be displayed. This notification code is sent in the form of a WM_NOTIFY message. |
| Topic | Contents |
|---|---|
| NMTTCUSTOMDRAW | Contains information specific to an NM_CUSTOMDRAW notification code sent by a tooltip control. |
| NMTTDISPINFO | Contains information used in handling the TTN_GETDISPINFO notification code. This structure supersedes the TOOLTIPTEXT structure. |
| TOOLINFO | The TOOLINFO structure contains information about a tool in a tooltip control. |
| TTGETTITLE | Provides information about the title of a tooltip control. |
| TTHITTESTINFO | Contains information that a tooltip control uses to determine whether a point is in the bounding rectangle of the specified tool. If the point is in the rectangle, the structure receives information about the tool. |
| Topic | Contents |
|---|---|
| Tooltip Styles | This section lists the control styles used with tooltip controls. |